Explore Our Legal Calculators for Quick Estimates

Navigating legal matters can be complex, but having the right tools can make all the difference. Our free legal calculators provide quick estimates for child support, alimony, Chapter 7 bankruptcy qualification, and more. While these tools offer helpful insights, they are not a substitute for legal advice. Every case is unique, and we encourage you to consult with our experienced attorneys for personalized guidance tailored to your situation. Explore the calculators below to get started.

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DUI, Criminal & Traffic Defense

Wisconsin OWI Cost Calculator

Wisconsin DUI Cost Calculator

Enter any court-imposed fines, surcharges, and court costs (typically $150–$800).



Enter the total fee quoted or billed by your DUI attorney (average $1,500–$4,000).



Enter the cost of your required alcohol or drug assessment and any recommended classes (often $200–$1,200).



Enter the cost of applying for a restricted license and reinstating full driving privileges (approx. $200).



If required, enter the estimated cost for installation and monthly service fees (can total $1,000+ per year).



Estimate the increase in auto insurance premiums over 3–5 years due to a DUI (commonly $2,000–$6,000).



Go to Wisconsin OWI Cost Calculator

Wisconsin Bankruptcy Chapter 7 Calculator

Wisconsin Chapter 7 Bankruptcy Calculator

Go to Wisconsin Bankruptcy Chapter 7 Calculator

Wisconsin Breach of Contract Calculator


(Enter the full value of the contract before the breach occurred)


(Enter how much has already been paid or received under the contract)


(Enter any losses you were able to reduce or avoid after the breach)


(Include costs related to the breach—like lost business, extra fees, or delays)

Estimated Total Recoverable Damages: $0.00

Go to Wisconsin Breach of Contract Calculator

Wisconsin Probate Calculator

Estimated Probate Costs:

Go to Wisconsin Probate Calculator

Wisconsin Estate Tax Calculator

Wisconsin Estate Tax Calculator

Wisconsin does not have a state estate tax. This calculator estimates your federal estate tax based on your total estate value.











Results:

Taxable Estate:

Estimated Federal Estate Tax Owed:

Note: There is no separate Wisconsin estate tax.

Go to Wisconsin Estate Tax Calculator

Wisconsin Property Division Calculator


This is the total value of all assets you and your spouse acquired during the marriage. Include your house, vehicles, retirement accounts, savings, and anything else of value you both own.



This is the total amount of debt you and your spouse owe together. Include mortgages, credit cards, car loans, student loans, and any other joint debts.



Wisconsin law assumes each spouse gets 50% of the marital property. But if you've agreed to a different split—or a judge decides otherwise—you can change this number.


Estimated Property Division

Go to Wisconsin Property Division Calculator

Wisconsin Spousal Maintenance Calculator











Estimated Spousal Maintenance

Annual Amount: $0

Monthly Amount: $0

Estimated Duration (years): 0

Go to Wisconsin Spousal Maintenance Calculator

Wisconsin Child Support Calculator


Enter the total gross income (before taxes) earned each month by the parent who does not have primary placement.



Select the number of children the non-custodial parent is legally obligated to support in this case.


Go to Wisconsin Child Support Calculator

Illinois Civil Litigation Cost Estimator Calculator

Enter the hourly rate your attorney charges. Illinois averages range from $250 to $500.
Estimate how many total hours your attorney will work on your case.
Include initial filing fees and any mandatory court appearance or motion fees. Cook County ranges from $388–$655.
If you plan to hire an expert (e.g., doctor, engineer), enter their estimated fees.
Estimate the cost of document review, subpoenas, and production of evidence during discovery.
If you intend to use a mediator to resolve the case before trial, enter those fees here.
Enter the expected number of full trial days if the case goes to court.
Include costs for court reporters, trial presentation tools, paralegal support, etc., per day.
Go to Illinois Civil Litigation Cost Estimator Calculator

Illinois Real Estate Closing Cost Calculator

The agreed-upon sale price of the home.
Select whether you are purchasing or selling the home.
Monthly homeowners association dues, if applicable.
Amount you may owe or receive for shared property taxes at closing.
Go to Illinois Real Estate Closing Cost Calculator
DUI, Criminal & Traffic Defense

Illinois Traffic Ticket Cost Calculator

Go to Illinois Traffic Ticket Cost Calculator
Business, Corporate & Contract Law

Illinois Breach of Contract Calculator

This is the full amount agreed upon in the contract before any payments were made.

The value of what you actually received from the other party before the breach occurred.

The amount it will cost to hire someone else or buy a replacement for what was promised in the contract.

Direct expenses you’ve had to pay because of the breach—like extra shipping, handling, or storage fees.

Losses that happened because of the breach, such as lost income or business opportunities.

Total Estimated Recoverable Damages: $0.00

Go to Illinois Breach of Contract Calculator
Probate & Estate Administration

Illinois Probate Fee Calculator

Enter the total value of the assets that will go through probate (real estate, bank accounts, etc.).
Typical probate attorney fees in Illinois range from 2%–5% of the estate’s value.
Filing fees vary by county. Most are between $250 and $500 in Illinois.
Illinois law requires publishing notice to creditors. This usually costs $100–$500.
Some executors receive a percentage of the estate for their time and effort. Leave blank if unpaid.
Appraisals, tax preparation, bond premiums, postage, and more. Provide a rough estimate.
Go to Illinois Probate Fee Calculator
Estate Planning

Illinois Estate Tax Calculator

Add the combined value of all assets (real estate, cash, investments, etc.) at the time of death.
Include mortgages, credit card balances, medical bills, and other outstanding debts.
Enter any amounts left to qualifying charities, which can reduce the taxable estate.
Amounts passed to a surviving spouse are not subject to estate tax. Enter that total here.
Go to Illinois Estate Tax Calculator
Family Law & Divorce

Illinois Parenting Time Calculator

1. General Information

2. Weekly Parenting Schedule

3. Holiday and Vacation Days

4. Additional Days

Go to Illinois Parenting Time Calculator
Family Law & Divorce

Child Support Calculator

Illinois Child Support Calculator

Illinois Child Support Calculator

50%
Go to Child Support Calculator
Bankruptcy

Chapter 7 Qualification Calculator

Chapter 7 Qualification Calculator

Chapter 7 Qualification Calculator

Go to Chapter 7 Qualification Calculator
Family Law & Divorce

Illinois Alimony Calculator

Go to Illinois Alimony Calculator
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Why O'Flaherty Law?

Cost-Effective

When we started our firm in the midst of the recession, we learned to survive in a lean environment and pass the savings on to our clients.  As the economy has improved, we have not changed our philosophy.  We are hungry to grow our client base, and so we have intentionally set our rates below what the market will bear.  Our mission is to make each client walk away feeling that they got more value than they paid for.  This is easier to do when we make our prices affordable.

Client-Focused

The secret to our success as a firm is incredibly simple: we build a personal relationship with each of our clients and treat them with the respect that they deserve.  We pride ourselves on our open lines of communication, frequent check-ins with our clients, and our accessibility.  We are here to help you in any way we can, often leveraging our network of resources to assist you with non-legal issues that you may be having.  We are your one-stop problem-solver and trusted adviser.  All attorneys say that they provide excellent client service, but, unlike other attorneys, we practice what we preach.  We make sure every client walks away happy . . . period.

Comprehensive

We are your community law firm.  Our business is built on long-term relationships with our clients.  Our clients have the luxury of building trust over time with one team of attorneys, rather than having to find a new attorney for each different type of matter that arises over the course of their lives.  No one attorney can be experienced at everything.  That is why we have worked hard to assemble a team of attorneys with extensive experience in different areas of experience.  Our attorneys work together closely to bring our collective experience to bear on any issue that may arise for our clients.

Great at What We Do

Since our business comes entirely from referrals and community involvement, our reputation for quality legal work is our greatest asset . . . and it is extremely important to us.  Each of our attorneys is truly experienced in his or her practice areas, with the highest personal standards of excellence.  We are proud of our reputation in the community, and we did not achieve it by accident.  Our reputation for excellence comes from hard work, continuing education, and an above-and-beyond approach to our clients’ cases.